Discover the definition of web design, the steps involved in designing a website, and learn about the different programming languages used to create a website. Related to this QuestionWhat does a question mark mean in C++?What does a question mark mean in a URL?What does a question mark i...
The "=>" symbol is used in JavaScript to define arrow functions. An arrow function is a shorthand for writing anonymous functions (functions without a name) in JavaScript. Arrow functions provide a more concise syntax compared to regular function expressions and do not have their own "this", ...
To prevent the page from refreshing, you could use JavaScript:void(0).Example of JavaScript:void(0)We have a link that should only do something (display a message) upon two clicks (a double click). If you click once, nothing should happen. We can specify the double click code by using...
a non-writable global variable. In normal code assigning to NaN does nothing; the developer receives no failure feedback. In strict mode assigning to NaN throws an exception. Any assignment that silently fails in normal code (assignment to a non-writable global or property, assignment to a ...
In Javascript there is also a === operator which compares both the value and type of the 2 operands. 19th Feb 2021, 9:11 AM Sonic + 6 In Pascal, there is no == operator. = is used to check for equality and := is used for assignment. 19th Feb 2021, 9:15 AM Sonic + 5 ...
Use javascript: void(0) Example In this example, we have set javascript: void(0) to the href and added a double-click event to the anchor tag. Only when the user doubles clicks on the tag, does the alert trigger. Here page does not refresh because we have set javascript: void(0)....
Comparisons Continue Reading...Next > What does the delete operator do in JavaScript?Related Topics JavaScript Interview Questions (Part2) JavaScript Interview Questions (Part3) Is JavaScript a true OOP language? Advantages and Disadvantages of JavaScript More Related Topics...Search...
“Nothing” in programming is returned when there is no result to return. What does “javascript:void(0)” mean? What is the use of void 0? What does “javascript:void(0)” mean? The undefined value is returned when evaluating an expression with the void operator. Generally, this ...
3. How Does JavaScript Work?JavaScript is either embedded into a web page or else it’s included in a .js file. JavaScript is also a “client-side” language (rather than a “server-side” language), which is a fancy way of saying that it gets downloaded to site visitors’ computers,...
Run the code with Node.js, and you'll see "Got event" in the console. Other examples of observer / publish-subscribe in JavaScript JavaScript does not have native support for observables, but there's a proposal for adding them to the language. ...